am·bi·tious 
/æmˈbɪʃəs/ adjective
/æmˈbɪʃəs/ adjective [more ambitious; most ambitious] 1 : having ambition : having a desire to be successful, powerful, or famous
▪ The company was created by two very ambitious young men in the early 1900s. ▪ ambitious politicians/lawyers ▪ He was very ambitious for his children but not for himself. [=he wanted his children to be successful but he didn't feel the need to be successful himself] 2 : not easily done or achieved : requiring or showing ambition
▪ This 500-page book is her most ambitious effort/project yet. ▪ Your plans for the future are very ambitious. ▪ It was too ambitious a task for just one person. ▪ ambitious goals
▪ The company was created by two very ambitious young men in the early 1900s. ▪ ambitious politicians/lawyers ▪ He was very ambitious for his children but not for himself. [=he wanted his children to be successful but he didn't feel the need to be successful himself]
▪ This 500-page book is her most ambitious effort/project yet. ▪ Your plans for the future are very ambitious. ▪ It was too ambitious a task for just one person. ▪ ambitious goals
— am·bi·tious·ly adverb
▪ She ambitiously worked her way to the top.
▪ She ambitiously worked her way to the top.
— am·bi·tious·ness noun [noncount]
▪ the ambitiousness of the plan
▪ the ambitiousness of the plan
